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Lost Lake Weather Warning NWS WEATHER ALERT FOR THE LOST LAKE, IL AREA - FLOOD WATCH Issued: 800 PM CDT Sat Sep 19 2026 Lost Lake Weather Warning

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Lost Lake, IL Weather - Hour by Hour Forecast

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Lost Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Lightning Observed. Temperature is 71°F22°C, dew point 69°F20°C, humidity 93%. Wind direction is N at 0 mph0 km/h with visibility of 7 mi11 km. Barometric pressure is 29.88 in1011 mb.
Tonight - A chance of showers and thunderstorms this evening, then showers with thunderstorms likely after midnight. Patchy fog after midnig.. Full Forecast
Sunday - Patchy fog in the morning. Showers likely with a chance of thunderstorms in the morning, then showers likely with a slight chance .. Full Forecast

Lost Lake Hourly Weather

24 Hour Forecast Scroll
Sat, Sep 19
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Lost Lake, IL Hourly Weather - Cloudy - 11:00 PM Lost Lake, IL Hourly Weather - Cloudy - 12:00 AM Lost Lake, IL Hourly Weather - Cloudy - 1:00 AM Lost Lake, IL Hourly Weather - Cloudy - 2:00 AM Lost Lake, IL Hourly Weather - Cloudy - 3:00 AM Lost Lake, IL Hourly Weather - Cloudy - 4:00 AM Lost Lake, IL Hourly Weather - Cloudy - 5:00 AM Lost Lake, IL Hourly Weather - Cloudy - 6:00 AM Lost Lake, IL Hourly Weather - Cloudy - 7:00 AM Lost Lake, IL Hourly Weather - Cloudy - 8:00 AM Lost Lake, IL Hourly Weather - Cloudy - 9:00 AM Lost Lake, IL Hourly Weather - Cloudy - 10:00 AM Lost Lake, IL Hourly Weather - Cloudy - 11:00 AM Lost Lake, IL Hourly Weather - Cloudy - 12:00 PM Lost Lake, IL Hourly Weather - Cloudy - 1:00 PM Lost Lake, IL Hourly Weather - Cloudy - 2:00 PM Lost Lake, IL Hourly Weather - Cloudy - 3:00 PM Lost Lake, IL Hourly Weather - Cloudy - 4:00 PM Lost Lake, IL Hourly Weather - Cloudy - 5:00 PM Lost Lake, IL Hourly Weather - Cloudy - 6:00 PM Lost Lake, IL Hourly Weather - Cloudy - 7:00 PM Lost Lake, IL Hourly Weather - Cloudy - 8:00 PM Lost Lake, IL Hourly Weather - Cloudy - 9:00 PM Lost Lake, IL Hourly Weather - Cloudy - 10:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 59°F15°C 58°F14°C 57°F14°C 58°F14°C 58°F14°C 59°F15°C 60°F16°C 62°F17°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 63°F17°C 61°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
28% 28% 28% 28% 28% 28% 28% 28% 28% 24% 24% 24% 24% 24% 24% 22% 22% 22% 22% 22% 22% 29% 29% 29%
61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C
93% 97% 97% 97% 97% 96% 96% 100% 100% 96% 93% 90% 87% 84% 81% 81% 81% 81% 84% 90% 93% 93% 93% 93%
ENE ENE NE ENE ENE ENE ENE ENE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
10 mph 10 mph 10 mph 10 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 10 mph 10 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KC75 model statistics.

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Prob Precip % = Probability of Precipitation.

Lost Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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